Complete the following analogy :-

Vertebrates : Brain : : Cockroach : ___________

(1) Lower-oesophageal ganglion

(2) Supra-oesophageal ganglion

(3) Nephrocytes

(4) Ommatidia

Subtopic:  Cockroach: Nervous System (OLD NCERT) |
 91%
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The hard chitinous exoskeleton of cockroach has sclerites which are called as:

Options  

Dorsally

Ventrally

(1)

sternites

tergites

(2)

Arthrodial membrane   

pleura

(3)

tergites

sternites

(4)

pleura

sternum

Subtopic:  Cockroach: Intro & External Morphology (OLD NCERT) |
 82%
From NCERT
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The triangular head of cockroach is made by fusion of how many segments :

(1) Three

(2) Five

(3) Nine

(4) Six

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
 81%
From NCERT
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Label A, B, C, D and E in the following figure :-

(1) Labium, mandible, hypopharynx, maxilla, labrum

(2) Labrum, hypopharynx, maxilla, mandible, labium

(3) Labrum, mandible, hypopharynx, maxilla, labium

(4) Labium, maxilla, hypopharynx, labium, mandible

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
 75%
From NCERT
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Which mouth part of cockroach has grinding and incising part ?

(1) Mandible

(2) Labium

(3) Mandible and maxilla

(4) Hypopharynx

Subtopic:  Cockroach: Head & Mouth Parts (OLD NCERT) |
 59%
From NCERT
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Which among the following statements with respect to forewings of cockroach is incorrect?

(1) They are called as tegmina.

(2) They are opaque, leathery and dark.

(3) They arise from prothorax.

(4) They cover hindwings when at rest.

Subtopic:  Cockroach: Structure of Thorax (OLD NCERT) |
 83%
From NCERT
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Which among the following statements are incorrect about cockroach?

(1) Haemocytes lack respiratory pigment.

(2) Has 13 chambered heart on the ventral side of the body.

(3) Blood from sinuses enter heart through ostia.

(4) Has 10 pairs of spiracles present on lateral side of body.

Subtopic:  Cockroach: Circulatory System (OLD NCERT) |
 72%
From NCERT
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Which among the following is incorrect regarding the vision of cockroach?

(1) Compound eyes are located at dorsal surface of head.

(2) They have nocturnal type of vision.

(3) Each eye consists of 3000 malpighian tubules.

(4) Their vision is known as mosaic vision with more sensitivity but less resolution.

Subtopic:  Cockroach: Compound Eye (OLD NCERT) |
 87%
From NCERT
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Malpighian tubules of cockroach are lined by which of the following cells ?

(1) Epithelial cells

(2) Ciliated cells

(3) Ciliated and glandular cells

(4) Epithelial and glandular cells

Subtopic:  Cockroach: Respiratory System (OLD NCERT) | Cockroach: Excretory System (OLD NCERT) |
 77%
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Complete the following sentence by choosing the appropriate option:

Digestive juice in cockroach is secreted by a ring of blind tubules which are ______ in number.

(1) 100-150

(2) 9-10

(3) 6-8

(4) 15-20

Subtopic:  Cockroach: Digestive System (OLD NCERT) |
 69%
From NCERT
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